Distributed Index Handler 25.1
Distributed Index Handler Help

# Designate a Child Server as an Archive Server

In non-mirror mode, you can designate a child server as an archive server. An archive server receives document updates but does not receive new documents.

Set the UpdateOnly parameter to `True` in the `[DistributionIDOLServers]` section of the DIH configuration file to convert a child server into an archive server.

NOTE: You cannot use the UpdateOnly option with the DistributeByFields, DistributeByReference, or RoundRobinMode distribution modes. For more information about the compatible options for distribution modes, refer to Knowledge Discovery Expert.

NOTE: If all children are marked as UpdateOnly, the DIH cannot process any DREADD or DREADDDATA index actions, because there are no servers it can send new documents to. In this case, the DIH pauses index queue processing until you reconfigure one or more child servers to set UpdateOnly to `False`.

You can also change this setting dynamically (without restarting the DIH) by using the EngineManagement action. For example:

    http://DIHhost:ACIPort/action=EngineManagement&EngineAction=Edit&ID=1&UpdateOnly=True

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Version 25.1 | Last updated January 2025

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Product: Knowledge Discovery Distributed Index Handler 25.1

Topic Title: Designate a Child Server as an Archive Server